Intelligent construction system for low-melting-point alloy anchor bolt and using and recycling method of intelligent construction system

The invention discloses a low-melting-point alloy anchor bolt intelligent construction system and a using and recycling method thereof.The system comprises an anchor bolt assembly, the anchor bolt assembly is connected with a spacer bush assembly through threads, the threads of the spacer bush assembly are connected with a pressing nut, and the pressing nut extrudes a rubber expansion ring on the spacer bush assembly and enables the rubber expansion ring to be tightly pressed on the side wall of a positioning hole in a concrete body; the spacer bush assembly is electrically connected with the mobile power supply, and the spacer bush assembly and the mobile power supply are electrically connected with the control device; the anchor bolt assembly comprises an anchor bolt, the bottom end of the anchor bolt is connected with a low-melting-point alloy, and a heating wire is embedded in the low-melting-point alloy; when the anchor bolt is used, a gap between the anchor bolt and an anchoring hole is filled with the